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Finding the Fourth Proportional to 201,246.72, 301,737.60 and 112,631.04

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Solution

The fourth proportional to 201,246.72, 301,737.60 and 112,631.04 is: 168,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,246.72 : 301,737.60 = 112,631.04 : x
  2. Step 2: Convert to fraction form
    201,246.72/301,737.60 = 112,631.04/x
  3. Step 3: Cross multiply
    201,246.72x = 301,737.60 × 112,631.04
  4. Step 4: Simplify right side
    201,246.72x = 33,985,019,695.10
  5. Step 5: Solve for x
    x = 33,985,019,695.10/201,246.72
  6. Step 6: Final answer
    x = 168,872.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.